@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/af613f3c-0449-489b-a18d-51ca62eac176> rdfs:isDefinedBy <https://stad.gent/data/blank_node/af613f3c-0449-489b-a18d-51ca62eac176> .